Compiling 32-bit GHC on a 64-bit Mac

Johan Tibell johan.tibell at
Mon Jun 6 12:08:18 CEST 2011

On Sun, Jun 5, 2011 at 2:38 PM, Ian Lynagh <igloo at> wrote:
> On Sun, Jun 05, 2011 at 02:10:39PM +0200, Johan Tibell wrote:
>> I need to reproduce a bug that only appears on 32-bit machines. I
>> don't own such a machine but I was hoping I could compile a 32-bit GHC
>> on my Mac and debug using that. What changes do I need to make (e.g.
>> to build/mk) to build a 32-bit GHC?
> Install
> and make sure its ghc is first in your path.
> Then build as normal.

Running the OS X installers is a bit intrusive. Is there a way to get
a 32-bit version directly from source?


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